:root {
    --primary: #2563eb;
    --primary-strong: #1d4ed8;
    --accent: #14b8a6;
    --accent-warm: #f97316;
    --bg: #f6f8fc;
    --bg-soft: #eef3fb;
    --surface: rgba(255, 255, 255, 0.82);
    --surface-solid: #ffffff;
    --surface-muted: rgba(241, 245, 249, 0.9);
    --text: #111827;
    --text-muted: #64748b;
    --border: rgba(148, 163, 184, 0.28);
    --shadow: 0 18px 48px rgba(15, 23, 42, 0.09);
    --shadow-soft: 0 8px 28px rgba(15, 23, 42, 0.06);
    --radius: 8px;
    --topbar-height: 72px;
    --sidebar-width: 260px;
    --sidebar-collapsed: 84px;
    --transition: 0.2s ease;
    color-scheme: light;
}

html[data-theme="dark"] {
    --primary: #60a5fa;
    --primary-strong: #3b82f6;
    --accent: #2dd4bf;
    --accent-warm: #fb923c;
    --bg: #0b1220;
    --bg-soft: #111827;
    --surface: rgba(17, 24, 39, 0.78);
    --surface-solid: #101827;
    --surface-muted: rgba(30, 41, 59, 0.78);
    --text: #e5e7eb;
    --text-muted: #9ca3af;
    --border: rgba(148, 163, 184, 0.22);
    --shadow: 0 18px 52px rgba(0, 0, 0, 0.36);
    --shadow-soft: 0 10px 28px rgba(0, 0, 0, 0.26);
    color-scheme: dark;
}

* {
    letter-spacing: 0;
}

body {
    min-height: 100vh;
    background:
        radial-gradient(circle at 8% 0%, rgba(20, 184, 166, 0.10), transparent 28rem),
        linear-gradient(135deg, var(--bg) 0%, var(--bg-soft) 100%);
    color: var(--text);
    font-family: Inter, Roboto, -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color var(--transition), opacity var(--transition);
}

a:hover {
    color: var(--primary-strong);
}

.app-container {
    width: min(100% - 48px, 1440px);
    margin-inline: auto;
}

.app-shell,
.admin-shell {
    min-height: 100vh;
}

.topbar {
    height: var(--topbar-height);
    border-bottom: 1px solid var(--border);
    background: var(--surface);
    backdrop-filter: blur(18px);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.45) inset, var(--shadow-soft);
    z-index: 1030;
}

.admin-topbar {
    left: var(--sidebar-width);
    transition: left var(--transition);
}

body.sidebar-collapsed .admin-topbar {
    left: var(--sidebar-collapsed);
}

.brand-mark {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
    color: var(--text);
    font-weight: 700;
}

.brand-logo {
    display: grid;
    place-items: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius);
    color: #fff;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    box-shadow: 0 10px 24px rgba(37, 99, 235, 0.24);
    flex: 0 0 auto;
}

.brand-text {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.nav-pills-soft {
    gap: 6px;
    margin-left: 28px;
}

.nav-pills-soft .nav-link,
.sidebar-link {
    border-radius: var(--radius);
    color: var(--text-muted);
    transition: background var(--transition), color var(--transition), transform var(--transition);
}

.nav-pills-soft .nav-link:hover,
.sidebar-link:hover {
    background: var(--surface-muted);
    color: var(--text);
}

.nav-pills-soft .nav-link.active,
.sidebar-link.active {
    color: var(--primary-strong);
    background: color-mix(in srgb, var(--primary) 12%, transparent);
}

.topbar-actions,
.topbar-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

html[data-theme="dark"] .navbar-toggler-icon {
    filter: invert(1) grayscale(1);
}

.topbar-left {
    min-width: 0;
}

.eyebrow {
    color: var(--text-muted);
    font-size: 12px;
    line-height: 1.1;
}

.page-title {
    color: var(--text);
    font-size: 18px;
    font-weight: 700;
    line-height: 1.2;
}

.account-pill {
    display: inline-flex;
    align-items: center;
    max-width: 360px;
    min-height: 34px;
    padding: 0 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface-muted);
    color: var(--text-muted);
    font-size: 13px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.theme-toggle,
.icon-button {
    position: relative;
    overflow: hidden;
    display: inline-grid;
    place-items: center;
    width: 36px;
    height: 36px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface-muted);
    color: var(--text);
    transition: transform var(--transition), background var(--transition), border-color var(--transition);
}

.theme-toggle:hover,
.icon-button:hover {
    background: color-mix(in srgb, var(--primary) 10%, var(--surface-muted));
    border-color: color-mix(in srgb, var(--primary) 35%, var(--border));
}

.theme-toggle:active,
.icon-button:active,
.btn:active {
    transform: scale(0.97);
}

.icon-button {
    gap: 4px;
}

.icon-button span {
    width: 16px;
    height: 2px;
    border-radius: 99px;
    background: currentColor;
}

.app-main {
    padding-top: calc(var(--topbar-height) + 28px);
    padding-bottom: 48px;
}

.admin-sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: var(--sidebar-width);
    padding: 18px 14px;
    border-right: 1px solid var(--border);
    background: var(--surface);
    backdrop-filter: blur(18px);
    box-shadow: var(--shadow-soft);
    z-index: 1040;
    transition: width var(--transition);
}

.sidebar-brand {
    height: 42px;
    padding: 0 8px;
    margin-bottom: 22px;
}

.sidebar-nav {
    display: grid;
    gap: 6px;
}

.sidebar-link {
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    gap: 12px;
    min-height: 42px;
    padding: 0 12px;
    font-weight: 600;
}

.sidebar-icon {
    display: grid;
    place-items: center;
    width: 28px;
    height: 28px;
    border: 1px solid var(--border);
    border-radius: 7px;
    background: var(--surface-muted);
    color: var(--primary);
    font-size: 13px;
    flex: 0 0 auto;
}

.sidebar-footer {
    position: absolute;
    right: 14px;
    bottom: 18px;
    left: 14px;
}

body.sidebar-collapsed .admin-sidebar {
    width: var(--sidebar-collapsed);
}

body.sidebar-collapsed .sidebar-label,
body.sidebar-collapsed .admin-sidebar .brand-text {
    display: none;
}

body.sidebar-collapsed .sidebar-brand,
body.sidebar-collapsed .sidebar-link {
    justify-content: center;
}

.admin-shell {
    margin-left: var(--sidebar-width);
    transition: margin-left var(--transition);
}

body.sidebar-collapsed .admin-shell {
    margin-left: var(--sidebar-collapsed);
}

.admin-shell.guest-shell {
    margin-left: 0;
}

.admin-shell.guest-shell .admin-topbar {
    left: 0;
}

.admin-main {
    width: min(100% - 48px, 1480px);
    margin-inline: auto;
    padding-top: calc(var(--topbar-height) + 28px);
    padding-bottom: 48px;
}

.card,
.metric-box,
.preview-panel,
.auth-card {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    backdrop-filter: blur(18px);
    box-shadow: var(--shadow);
    color: var(--text);
}

.card-header {
    border-bottom: 1px solid var(--border);
    background: transparent;
    color: var(--text);
    font-weight: 700;
}

.metric-box,
.preview-panel {
    padding: 20px;
}

.dashboard-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 18px;
}

.account-panel {
    padding: 22px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background:
        linear-gradient(135deg, color-mix(in srgb, var(--primary) 10%, var(--surface-solid)), color-mix(in srgb, var(--accent) 8%, var(--surface-muted)));
    box-shadow: var(--shadow);
}

.account-points {
    margin-top: 4px;
    color: var(--text);
    font-size: 44px;
    line-height: 1;
    font-weight: 800;
}

.account-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 18px;
}

.dashboard-stat-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
}

.compact-metric {
    min-height: 104px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.activity-list {
    display: grid;
    gap: 10px;
}

.activity-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
}

.activity-item:last-child {
    border-bottom: 0;
    padding-bottom: 0;
}

.panel-highlight {
    border-color: color-mix(in srgb, var(--primary) 58%, var(--border));
    box-shadow: 0 12px 30px color-mix(in srgb, var(--primary) 15%, transparent);
}

.auth-shell {
    min-height: calc(100vh - var(--topbar-height) - 72px);
    display: grid;
    place-items: center;
}

.auth-card {
    width: min(100%, 430px);
}

.form-control,
.form-select {
    border-color: var(--border);
    border-radius: var(--radius);
    background-color: color-mix(in srgb, var(--surface-solid) 86%, transparent);
    color: var(--text);
    transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.form-control:focus,
.form-select:focus {
    border-color: color-mix(in srgb, var(--primary) 70%, var(--border));
    box-shadow: 0 0 0 0.22rem color-mix(in srgb, var(--primary) 16%, transparent);
    background-color: var(--surface-solid);
    color: var(--text);
}

.form-text,
.text-muted,
dt {
    color: var(--text-muted) !important;
}

.btn {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius);
    transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition), color var(--transition);
}

.btn-primary {
    border-color: var(--primary);
    background: linear-gradient(135deg, var(--primary), color-mix(in srgb, var(--accent) 54%, var(--primary)));
    box-shadow: 0 10px 22px color-mix(in srgb, var(--primary) 24%, transparent);
}

.btn-primary:hover {
    border-color: var(--primary-strong);
    box-shadow: 0 14px 28px color-mix(in srgb, var(--primary) 30%, transparent);
    transform: translateY(-1px);
}

.btn-outline-primary,
.btn-outline-secondary,
.btn-outline-light {
    border-color: var(--border);
    color: var(--text);
    background: var(--surface-muted);
}

.btn-outline-primary:hover,
.btn-outline-secondary:hover,
.btn-outline-light:hover {
    border-color: color-mix(in srgb, var(--primary) 42%, var(--border));
    color: var(--primary-strong);
    background: color-mix(in srgb, var(--primary) 10%, var(--surface-muted));
}

.ripple-dot {
    position: absolute;
    width: 12px;
    height: 12px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.45);
    pointer-events: none;
    transform: translate(-50%, -50%) scale(1);
    animation: ripple 0.55s ease-out forwards;
}

@keyframes ripple {
    to {
        opacity: 0;
        transform: translate(-50%, -50%) scale(18);
    }
}

.table {
    color: var(--text);
    --bs-table-bg: transparent;
    --bs-table-border-color: var(--border);
    --bs-table-hover-bg: color-mix(in srgb, var(--primary) 7%, transparent);
}

.table thead th {
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
}

.badge {
    border-radius: 999px;
    font-weight: 700;
}

.glass-alert {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    backdrop-filter: blur(14px);
    box-shadow: var(--shadow-soft);
}

.thumb {
    width: 72px;
    height: 52px;
    object-fit: cover;
    border-radius: 6px;
    border: 1px solid var(--border);
    display: inline-block;
}

.thumb.empty {
    background: var(--surface-muted);
}

.thumb-cell {
    width: 96px;
}

.result-image {
    width: 100%;
    max-height: 70vh;
    object-fit: contain;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface-solid);
}

.image-open-link {
    display: block;
    border-radius: var(--radius);
}

.image-open-link:hover .result-image {
    border-color: color-mix(in srgb, var(--primary) 42%, var(--border));
    box-shadow: var(--shadow-soft);
}

.ai-processing {
    display: flex;
    align-items: center;
    gap: 14px;
    min-height: 96px;
    padding: 18px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: color-mix(in srgb, var(--primary) 8%, var(--surface));
}

.result-skeleton {
    width: 100%;
    min-height: 420px;
}

.ratio-choice-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.ratio-choice {
    position: relative;
    display: grid;
    grid-template-columns: 64px minmax(0, 1fr);
    gap: 10px 12px;
    align-items: start;
    min-height: 142px;
    padding: 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background:
        linear-gradient(135deg, color-mix(in srgb, var(--surface-solid) 86%, transparent), var(--surface-muted));
    cursor: pointer;
    transition: transform var(--transition), border-color var(--transition), background var(--transition), box-shadow var(--transition);
}

.ratio-choice:hover {
    transform: translateY(-1px);
    border-color: color-mix(in srgb, var(--primary) 34%, var(--border));
    box-shadow: var(--shadow-soft);
}

.ratio-choice.is-selected {
    border-color: color-mix(in srgb, var(--primary) 70%, var(--border));
    background: color-mix(in srgb, var(--primary) 9%, var(--surface));
    box-shadow: 0 12px 30px color-mix(in srgb, var(--primary) 14%, transparent);
}

.ratio-choice input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.ratio-choice-check {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 20px;
    height: 20px;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: var(--surface-solid);
    box-shadow: inset 0 0 0 5px var(--surface-solid);
    transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
}

.ratio-choice.is-selected .ratio-choice-check {
    border-color: var(--primary);
    background: var(--primary);
    box-shadow: inset 0 0 0 5px var(--surface-solid);
}

.ratio-shape {
    grid-row: 1 / span 2;
    display: grid;
    place-items: center;
    width: 64px;
    height: 48px;
    margin-top: 2px;
    border: 1px solid color-mix(in srgb, var(--primary) 24%, var(--border));
    border-radius: 7px;
    background:
        linear-gradient(135deg, color-mix(in srgb, var(--primary) 16%, transparent), color-mix(in srgb, var(--accent) 12%, transparent)),
        repeating-linear-gradient(45deg, transparent 0 8px, color-mix(in srgb, var(--primary) 10%, transparent) 8px 9px);
}

.ratio-shape::before {
    content: "";
    display: block;
    border: 2px solid var(--primary);
    border-radius: 5px;
    background: color-mix(in srgb, var(--surface-solid) 76%, transparent);
}

.ratio-shape-auto::before {
    width: 36px;
    height: 36px;
    border-style: dashed;
}

.ratio-shape-1_1::before {
    width: 34px;
    height: 34px;
}

.ratio-shape-4_3::before {
    width: 42px;
    height: 32px;
}

.ratio-shape-3_2::before {
    width: 46px;
    height: 31px;
}

.ratio-shape-16_9::before {
    width: 50px;
    height: 28px;
}

.ratio-shape-2_1::before {
    width: 52px;
    height: 26px;
}

.ratio-shape-5_2::before {
    width: 56px;
    height: 23px;
}

.ratio-shape-3_1::before {
    width: 58px;
    height: 20px;
}

.ratio-choice-body,
.ratio-choice-top,
.ratio-choice-desc,
.ratio-choice-cost {
    display: block;
    min-width: 0;
}

.ratio-choice-body {
    grid-column: 2;
    grid-row: 1 / span 2;
}

.ratio-choice-top {
    padding-right: 26px;
    margin-bottom: 6px;
}

.ratio-choice-title {
    display: block;
    color: var(--text);
    font-size: 17px;
    font-weight: 700;
    line-height: 1.2;
}

.ratio-choice-size,
.ratio-choice-cost {
    color: var(--primary-strong);
    font-size: 13px;
    font-weight: 700;
    white-space: nowrap;
}

.ratio-choice-size {
    display: block;
    margin-top: 2px;
    color: var(--text-muted);
    font-size: 12px;
    line-height: 1.25;
    white-space: normal;
    overflow-wrap: anywhere;
}

.ratio-choice-desc {
    display: -webkit-box;
    color: var(--text-muted);
    font-size: 13px;
    line-height: 1.35;
    overflow: hidden;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
}

.ratio-choice-cost {
    display: inline-flex;
    align-items: center;
    min-height: 24px;
    margin-top: 10px;
    padding: 2px 8px;
    border: 1px solid color-mix(in srgb, var(--primary) 18%, var(--border));
    border-radius: 999px;
    background: color-mix(in srgb, var(--primary) 8%, transparent);
    font-size: 12px;
}

.sticky-summary {
    position: sticky;
    top: calc(var(--topbar-height) + 28px);
}

.order-rule-note {
    padding: 12px 14px;
    font-size: 13px;
    line-height: 1.5;
}

.reference-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(96px, 1fr));
    gap: 10px;
}

.reference-link {
    position: relative;
    display: block;
    overflow: hidden;
    border-radius: 6px;
}

.reference-link::after {
    content: "打开";
    position: absolute;
    right: 6px;
    bottom: 6px;
    padding: 2px 6px;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.74);
    color: #fff;
    font-size: 12px;
    opacity: 0;
    transition: opacity var(--transition);
}

.reference-link:hover::after {
    opacity: 1;
}

.reference-link:hover img {
    border-color: color-mix(in srgb, var(--primary) 42%, var(--border));
}

.reference-grid img {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: var(--surface-solid);
}

.adjust-input {
    width: 120px;
}

.sort-input {
    width: 84px;
}

.pricing-range {
    display: grid;
    grid-template-columns: minmax(90px, 1fr) auto minmax(90px, 1fr);
    gap: 6px;
    align-items: center;
    min-width: 220px;
}

.generated-list {
    max-height: 240px;
    overflow: auto;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.page-loader {
    position: fixed;
    inset: 0;
    display: grid;
    place-items: center;
    background: color-mix(in srgb, var(--bg) 68%, transparent);
    backdrop-filter: blur(8px);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition), visibility var(--transition);
    z-index: 2000;
}

.page-loader.show {
    opacity: 1;
    visibility: visible;
}

.loader-card {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    color: var(--text);
    box-shadow: var(--shadow);
}

.loader-ring {
    width: 22px;
    height: 22px;
    border: 3px solid color-mix(in srgb, var(--primary) 20%, transparent);
    border-top-color: var(--primary);
    border-radius: 999px;
    animation: spin 0.8s linear infinite;
}

.skeleton {
    position: relative;
    overflow: hidden;
    background: var(--surface-muted);
    border-radius: var(--radius);
}

.skeleton::after {
    content: "";
    position: absolute;
    inset: 0;
    transform: translateX(-100%);
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.38), transparent);
    animation: shimmer 1.3s infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

@keyframes shimmer {
    to {
        transform: translateX(100%);
    }
}

@media (max-width: 991.98px) {
    .app-container,
    .admin-main {
        width: min(100% - 28px, 100%);
    }

    .topbar {
        height: auto;
        min-height: var(--topbar-height);
    }

    .nav-pills-soft {
        margin: 14px 0 0;
    }

    .topbar-actions {
        align-items: flex-start;
        flex-wrap: wrap;
        padding-top: 12px;
    }

    .admin-sidebar {
        transform: translateX(-100%);
        width: var(--sidebar-width);
    }

    body.sidebar-open .admin-sidebar {
        transform: translateX(0);
    }

    .admin-topbar,
    body.sidebar-collapsed .admin-topbar {
        left: 0;
    }

    .admin-shell,
    body.sidebar-collapsed .admin-shell {
        margin-left: 0;
    }

    body.sidebar-collapsed .sidebar-label,
    body.sidebar-collapsed .admin-sidebar .brand-text {
        display: inline;
    }

    body.sidebar-collapsed .sidebar-brand,
    body.sidebar-collapsed .sidebar-link {
        justify-content: flex-start;
    }

    .dashboard-header {
        align-items: flex-start;
        flex-direction: column;
    }

    .dashboard-stat-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .ratio-choice-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 768px) {
    .table {
        min-width: 860px;
    }

    .account-pill {
        max-width: 100%;
    }

    .dashboard-stat-grid {
        grid-template-columns: 1fr;
    }

    .account-points {
        font-size: 38px;
    }

    .ratio-choice-grid {
        grid-template-columns: 1fr;
    }

    .ratio-choice {
        grid-template-columns: minmax(0, 1fr);
        min-height: auto;
    }

    .ratio-shape {
        display: none;
    }

    .ratio-choice-body {
        grid-column: 1;
        grid-row: auto;
    }

    .ratio-choice-top {
        padding-right: 28px;
    }
}